    <SEC-DOCUMENT>0001193125-17-224666-index.html : 20170710
    <SEC-HEADER>0001193125-17-224666.hdr.sgml : 20170710
    <ACCEPTANCE-DATETIME>20170710060635
    ACCESSION NUMBER:		0001193125-17-224666
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		11
    FILED AS OF DATE:		20170710
    DATE AS OF CHANGE:		20170710
    EFFECTIVENESS DATE:		20170710

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			MCKESSON CORP
    		CENTRAL INDEX KEY:			0000927653
    		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-DRUGS PROPRIETARIES & DRUGGISTS' SUNDRIES [5122]
    		IRS NUMBER:				943207296
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			0331

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13252
    		FILM NUMBER:		17956280

    	BUSINESS ADDRESS:
    		STREET 1:		ONE POST ST
    		STREET 2:		MCKESSON PLAZA
    		CITY:			SAN FRANCISCO
    		STATE:			CA
    		ZIP:			94104
    		BUSINESS PHONE:		4159838300

    	MAIL ADDRESS:
    		STREET 1:		ONE POST ST
    		CITY:			SAN FRANCISCO
    		STATE:			CA
    		ZIP:			94104

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MCKESSON HBOC INC
    		DATE OF NAME CHANGE:	19990115

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MCKESSON CORP
    		DATE OF NAME CHANGE:	19950209

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	SP VENTURES INC
    		DATE OF NAME CHANGE:	19940728
    </SEC-HEADER>
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    <SEQUENCE>1
    <FILENAME>d421632ddefa14a.htm
    <DESCRIPTION>DEFINITIVE ADDITIONAL MATERIALS
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    <SEQUENCE>2
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    <DESCRIPTION>GRAPHIC
    <TEXT>
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    <DESCRIPTION>GRAPHIC
    <TEXT>
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    <TEXT>
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    <DESCRIPTION>GRAPHIC
    <TEXT>
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    <SEQUENCE>6
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    <DESCRIPTION>GRAPHIC
    <TEXT>
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    <SEQUENCE>7
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    <DESCRIPTION>GRAPHIC
    <TEXT>
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    <DESCRIPTION>GRAPHIC
    <TEXT>
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    <SEQUENCE>9
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    <DESCRIPTION>GRAPHIC
    <TEXT>
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    <SEQUENCE>10
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g421632txs7g1.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g421632txs8g1.jpg

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